heavy revision: renamed file, swapped action from startProcessPrintHierarchy to new function classify, moved error_message, added common_name input, knocked out maximum_levels pulldown, renamed button, etc.
heavy revision: renamed file, swapped action from startProcessPrintHierarchy to new function classify, moved error_message, added common_name input, knocked out maximum_levels pulldown, renamed button, etc.

paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new